Here is a free printable Valentine if you need something quick and easy. My little girl might make these for her class———-I am sure the next ones will have a generous helping of glitter for embellishment!
Download the Butterfly Valentine ,print on colored card-stock, cut out, make slits for sucker, add some decorations (cut out shapes of paper, stickers, glitter, etc.), insert sucker and then add some wiggly eyes to the top of the sucker. Add a piece of tape to the back to keep the sucker securely in place.